body {
    line-height: 1.5;
    color: #121212;
    background-color: #FFFFFF;
    font-family: "Helvetica Neue",Arial,sans-serif;
    transition: background-color 0.3s, color 0.3s;
  }
  
  a {
    color: #FF0000;
    transition: color 0.3s;
  }
  
  button {
    color: #000000;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
  }
  
  .youtube-video {
    aspect-ratio: 16 / 9;
    width: 75%;
  }
  
  #theme-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    background: none;
    border: 1px solid currentColor;
    cursor: pointer;
    font-size: 16px;
    transition: opacity 0.3s;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
  }
  
  #theme-switcher:hover {
    opacity: 0.7;
  }
  
  #theme-switcher:active {
    color: #000000;
    -webkit-tap-highlight-color: transparent;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
    table-layout: auto;
  }
  
  th, td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid currentColor;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  th {
    font-weight: normal;
    opacity: 0.7;
  }
  
  
  @media screen and (max-width: 600px) {
    table {
      display: block;
      overflow-x: auto;
      white-space: nowrap;
    }
  }